Finding the Fourth Proportional to 106,697,731.02, 147,243,023.55 and 57,805,159.02
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Solution
The fourth proportional to 106,697,731.02, 147,243,023.55 and 57,805,159.02 is: 79,771,203.28
Step by Step Solution
- Step 1: Write the proportion equation
106,697,731.02 : 147,243,023.55 = 57,805,159.02 : x - Step 2: Convert to fraction form
106,697,731.02/147,243,023.55 = 57,805,159.02/x - Step 3: Cross multiply
106,697,731.02x = 147,243,023.55 × 57,805,159.02 - Step 4: Simplify right side
106,697,731.02x = 8,511,406,390,893,356 - Step 5: Solve for x
x = 8,511,406,390,893,356/106,697,731.02 - Step 6: Final answer
x = 79,771,203.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.